[CCID3]: Remove redundant `len' test

Since CCID3 avoids  sending 0-byte data packets (cf. ccid3_hc_tx_send_packet),
testing for zero-payload length, as performed by ccid3_hc_tx_update_s, is
redundant - hence removed by this patch.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 5 deletions

diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 746f79d104b3..4be62a965663 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -149,11 +149,8 @@ static void ccid3_hc_tx_update_x(struct sock *sk, struct timeval *now)
  */
 static inline void ccid3_hc_tx_update_s(struct ccid3_hc_tx_sock *hctx, int len)
 {
-        if (unlikely(len == 0))
-                ccid3_pr_debug("Packet payload length is 0 - not updating\n");
-        else
-                hctx->ccid3hctx_s = hctx->ccid3hctx_s == 0 ? len :
-                                    (9 * hctx->ccid3hctx_s + len) / 10;
+        hctx->ccid3hctx_s = hctx->ccid3hctx_s == 0 ? len :
+                            (9 * hctx->ccid3hctx_s + len) / 10;
         /*
          * Note: We could do a potential optimisation here - when `s' changes,
          *       recalculate sending rate and consequently t_ipi, t_delta, and